<?php
$ar = array(1, 2, array(31, 32, array(331, array(3321, array(33221)))), 4);
$it = new RecursiveIteratorIterator(new RecursiveArrayIterator($ar));
echo "===?===\n";
var_dump($it->getMaxDepth());
foreach ($it as $v) {
echo $it->getDepth() . ": {$v}\n";
}
echo "===2===\n";
$it->setMaxDepth(2);
var_dump($it->getMaxDepth());
foreach ($it as $v) {
echo $it->getDepth() . ": {$v}\n";
}
echo "===X===\n";
$it->setMaxDepth();
var_dump($it->getMaxDepth());
foreach ($it as $v) {
echo $it->getDepth() . ": {$v}\n";
}
echo "===3===\n";
$it->setMaxDepth(3);
var_dump($it->getMaxDepth());
foreach ($it as $v) {
echo $it->getDepth() . ": {$v}\n";
}
echo "===5===\n";
$it->setMaxDepth(5);
var_dump($it->getMaxDepth());
foreach ($it as $v) {